she was elected senator from new york with 56% of the vote. she became the first, first lady to enter congress. and in 2007, another first. >> when people tell me, well, you know, i don't think a woman can be elected president. i said, well, i don't believe that, but we're going to find out. >> reporter: she became hillary, like shakira or cher, it showed independence, it was a hard-fought campaign against barack obama. but hillary never backed down. >> shame on you, barack obama. >> even when campaigning got ugly. not long after that, clinton welled up at the new hampshire diner and ran away with the primary. another victory. but in the end, she conceded wrapping up her historic presidential bid. >> although we weren't able to shatter that highest, hardest glass ceiling this time. >> but her persistence and passion convinced the man she tried to beat to cast her on the world stage. >> in her, you will have a secretary of state who has my full confidence. >> the former first lady and senator from new york would become madame secretary in 2009.